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Peter Anvin" , Dan Williams , Fenghua Yu , Rick Edgecombe , linux-kernel@vger.kernel.org Subject: Re: [PATCH V8 05/44] x86/fpu: Refactor arch_set_user_pkey_access() Message-ID: <20220202202256.GV785175@iweiny-DESK2.sc.intel.com> References: <20220127175505.851391-1-ira.weiny@intel.com> <20220127175505.851391-6-ira.weiny@intel.com> <87297f57-577a-2b33-81fa-935d1756eacb@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87297f57-577a-2b33-81fa-935d1756eacb@intel.com> User-Agent: Mutt/1.11.1 (2018-12-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 28, 2022 at 02:50:44PM -0800, Dave Hansen wrote: > On 1/27/22 09:54, ira.weiny@intel.com wrote: > > From: Ira Weiny > > > > Both PKU and PKS update their register values in the same way. They can > > therefore share the update code. > > > > Define a helper, pkey_update_pkval(), which will be used to support both > > Protection Key User (PKU) and the new Protection Key for Supervisor > > (PKS) in subsequent patches. > > > > pkey_update_pkval() contributed by Thomas > > > > Co-developed-by: Thomas Gleixner > > Signed-off-by: Thomas Gleixner > > Signed-off-by: Ira Weiny > > Looks better than my original code. Waaaaaay simpler. > > Acked-by: Dave Hansen Thanks, Ira